/* 公共样式 */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}
ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
a {
    color: inherit;
    text-decoration: none;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    color: #fff;
    display: flex;
    align-items: center;
    padding: 10px;
    width: 100%;
    z-index: 999;
}
.navbar .item{
    padding: 0 10px;
}

/* 页脚 */
.footer{
    height: 80px;
    margin-top: 50px;
    background-color: rgb(51,51,51);
}
.footer_cont{
    width: 1040px;
    margin: 0 auto;
    padding: 20px;
    color: #fff;
}
.footer i{
    font-size: 30px;
    margin: 20px;
}
.footer a{
    font-size: 14px;
    margin-left: -10px;
}